This is a preview. Log in through your library . Abstract Two new xyloiuloid millipedes (Diplopoda: Chilognatha: Juliformia) are described and placed in the new family Gaspestriidae: Gaspestria ...

Earth system box models are essential tools for reconstructing long-term climatic and environmental evolution and uncovering ...

This is a preview. Log in through your library . Abstract Tracking the geometry of all 597 ammonoid genera from the Lower Devonian into the Lower Triassic, a 145-Myr period that spans three mass ...

Paleozoic marine ecosystems were marked by a diverse array of symbiotic interactions that have left a lasting imprint on the evolutionary history of life. These associations, ranging from mutualistic ...

Coral reefs rank among the most biodiverse habitats on Earth and are often referred to as the rainforests of the sea. Modern reef building corals evolved in the Triassic Period around 250 million ...

northern Nova Scotia is part of a micro-continent (Avaland) that was sandwiched during continental collision between North America and a part of Gondwana southern Nova Scotia (the Meguma Zone) evolved ...

Materials are from the Charles Walcott Collection, and include field notes, photographs, sketches and stratagraphic sections detailing Walcott's observations and work in geology and paleontology, ...

Walcott, Charles D. 1923. "Pre-devonian paleozoic formations of the cordilleran provinces of Canada." Smithsonian Miscellaneous Collections, 75, (5) 174–377.